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Top 10 active players as of June 30, 1950


All active players as of June 30, 1950

  #  

Player Rating +/- Best? 75%? Age
1 Botvinnik, Mikhail M28256271.0% #238.86
2 Fine, Reuben27346310.6% #735.71
3 Reshevsky, Samuel H2716575.3% #938.59
4 Bronstein, David I2715513.9% #826.36
5 Keres, Paul2710513.2% #934.48
6 Smyslov, Vassily V2700512.2% #1029.27
7 Boleslavsky, Isaak E2686511.2% #1231.06
8 Najdorf, Miguel2666490.5% #1640.21
9 Kotov, Alexander A2660520.4% #1736.88
10 Furman, Semen A2644580.4% #2229.57
11 Szabó, László2631510.1% #2533.28
12 Stĺhlberg, Gideon2625510.1% #2642.43
13 Bogoljubow, Efim D2620600.2% #3061.21
14 Gligoric, Svetozar261651 #2927.41
15 Horowitz, Al2610710.4% #3642.62
16 Bannik, Anatoly A2601710.2% #4028.56
17 Geller, Efim P259855 #3725.33
18 Benko, Pal C259360 #3921.95
19 Flohr, Salo259251 #3841.63
20 Eliskases, Erich G259256 #3937.37
21 Tolush, Alexander K259057 #4040.16
22 Makogonov, Vladimir A2582730.1% #4845.84
23 Taimanov, Mark E258155 #4324.40
24 Lilienthal, Andor258152 #4339.15
25 Lisitsin, Georgy M258162 #4640.71
26 Trifunovic, Petar258052 #4339.82
27 Pirc, Vasja258052 #4342.52
28 Euwe, Machgielis257652 #4549.11
29 Rossolimo, Nicolas257551 #4540.34
30 Averbakh, Yury L257054 #4828.39
31 Lipnitsky, Isaak O256964 #5127.49
32 Kashdan, Isaac2566750.1% #5744.61
33 Bondarevsky, Igor Z256353 #5137.13
34 Simagin, Vladimir P256057 #5431.02
35 Levenfish, Grigory Y255757 #5561.31
36 Konstantinopolsky, Alexander M255558 #5640.36
37 Petrosian, Tigran V255156 #5721.04
38 Pilnik, Herman254953 #5736.48
39 Böök, Eero254466 #6540.39
40 Unzicker, Wolfgang253160 #7025.01
41 Foltys, Jan252953 #6841.71
42 Schmidt, Paul F252668 #7633.85
43 Kholmov, Ratmir D252658 #7125.13
44 Yudovich, Mikhail M252667 #7539.06
45 Matanovic, Aleksandar252465 #7520.10
46 Tartakower, Saviely G252253 #7263.36
47 Medina García, Antonio A251970 #8030.74
48 O'Kelly de Galway, Albéric251753 #7539.12
49 Panov, Vasily N251762 #7843.66
50 Barcza, Gedeon251755 #7538.85
51 Yanofsky, Daniel A251562 #7925.26
52 Kieninger, Georg251360 #8048.07
53 Ragozin, Viacheslav V250954 #8041.72
54 Bolbochán, Julio250654 #8230.28
55 Lundin, Erik250465 #8745.99
56 Stoltz, Gösta250158 #8646.14
57 Heinicke, Herbert T250072 #9345.29
58 Rabar, Braslav249963 #8930.75
59 Aronin, Lev S249955 #8629.94
60 Zagoriansky, Evgeny A249760 #8939.86
61 Puc, Stojan249761 #9029.22
62 Vidmar, Milan Sr249564 #9265.02
63 Novotelnov, Nikolay A249273 #9838.55
64 Alatortsev, Vladimir A249258 #9241.13
65 Mikenas, Vladas249257 #9140.20
66 Czerniak, Moshe249057 #9340.41
67 Pachmann, Ludek248356 #9626.13
68 Guimard, Carlos E248155 #9737.23
69 Donner, Johannes H247657 #10122.98
70 Fuderer, Andrija247164 #10819.13
71 Michel, Pablo247156 #10544.50
72 Rödl, Ludwig247074 #11343.17
73 Sokolsky, Alexey P247057 #10541.68
74 Kasparian, Genrikh M246969 #11140.34
75 Eisinger, Max Jr246873 #11441.01
76 Kopilov, Nikolay G246658 #10830.67
77 Milic, Borislav246563 #11224.69
78 Ilivitsky, Georgy A246469 #11529.17
79 Steiner, Herman246463 #11345.21
80 Denker, Arnold S246363 #11336.36
81 Lokvenc, Josef246166 #11651.16
82 Abramov, Lev Y246163 #11439.04
83 Kottnauer, Cenek246053 #11040.35
84 Ivkov, Borislav245965 #11616.63
85 Schmid, Lothar M245165 #12122.14
86 Shamaev, Leonid I244973 #12645.09
87 Rossetto, Héctor D244753 #11927.80
88 Richter, Emil244561 #12356.46
89 Koblencs, Aleksandrs244467 #12733.82
90 Fridstein, German S244265 #12738.59
91 Tarasov, Vitaly G244169 #13027.44
92 Lange, Wilfried244072 #13240.36
93 Kamishov, Mikhail P243771 #13341.49
94 Troianescu, Octav243564 #13234.40
95 Steinsapir, Y.243471 #136
96 Sarapu, Ortvin243376 #13826.44
97 Szily, József243357 #13036.74
98 Kramer, George M243273 #13721.12
99 Prins, Lodewijk243256 #13037.42
100 Dubinin, Peter V243267 #13540.99
101 Cortlever, Nicolaas243169 35.04
102 Kan, Ilia A242964 41.15
103 Niephaus, Walter242866 27.25
104 Tipary, Lajos242762 38.63
105 Enevoldsen, Jens242772 42.76
106 Bolbochán, Jácobo242660 43.50
107 Šajtar, Jaroslav242467 28.57
108 Goldberg, Grigory A242361 41.91
109 Zíta, František242263 40.58
110 Soloviev, Vladimir A242173 22.36
111 Sämisch, Friedrich241969 53.77
112 de Freitas, Márcio E241860 24.59
113 Opocenský, Karel241365 58.40
114 Zagorovsky, Vladimir P241368 25.00
115 Bozic, Aleksandar241274
116 Steiner, Lajos241062 47.04
117 Chistiakov, Alexander N240965 36.44
118 Penrose, Jonathan240776 16.72
119 Zemgalis240375
120 Flores Alvarez, Rodrigo240368 36.85
121 Kostic, Boris240266 63.35
122 Kramer, Haije240158 32.59
123 Moiseev, Oleg L240073 25.15
124 Koberl, Ferenc240069
125 Castaldi, Vincenzo240074 34.12
126 Ufimtsev, Anatoly G240066 36.13
127 Liublinsky, Victor A239956 32.23
128 Letelier Martner, René239961 34.77
129 Tomovic, Vasilje239970 44.13
130 Borisenko, Georgy K239664 28.10
131 Estrin, Yacov B239560 27.19
132 Terpugov, Evgeny239571
133 Ratner, Boris Y239473 41.49
134 Füster, Géza239267 40.36
135 Flórián, Tibor239063 31.33
136 Simonovic, Borko238975
137 Szabados, Eugenio238954 51.98
138 Pfeiffer, Gerhard238962 27.04
139 Marini, Luis238861 37.74
140 Paoli, Enrico238757 42.46
141 van Scheltinga, Tjeerd D238758 36.31
142 Ravinsky, Grigory Ionovich238660 40.69
143 Golombek, Harry238454 39.33
144 Bivshev, Vasily M238376 28.37
145 Gereben, Ernö238259 43.03
146 Vukovic, Sava238073
147 Tröger, Paul238070 37.01
148 Ujtelky, Maximilián237867 35.19
149 Machate, Gottlieb237769
150 Bonch-Osmolovsky, Mikhail A237466 31.49
151 Bisguier, Arthur B237372 20.72
152 Randviir, Jüri237168 23.09
153 Maderna, Carlos H236856 39.90
154 Aitken, James M236872 41.67
155 Pytlakowski, Andrzej236768
156 Luckis, Marcos236756 45.45
157 Sefc, Jan236467 25.55
158 Vajda, Arpád236271 54.16
159 Kuzminykh, Evgeny235565
160 Rohácek, Ivan V235563 41.20
161 Tsvetkov, Alexandar K235475 35.72
162 Klaman, Konstantin M235470 32.51
163 Grob, Henry235269 46.07
164 Fletzer, Gino235061
165 Nedeljkovic, Srecko234476 26.56
166 Martín, Pedro234458 19.49
167 Ojanen, Kaarle Sakari234268
168 Platt, Josef234264
169 Goldenov, Boris Petrovich234174
170 Sanguinetti, Renato234057 34.19
171 Castillo, Manuel233957
172 Vatnikov, Josif E233976 27.37
173 Müller, Hans233760 53.57
174 Czaya, Richard233574
175 Pomar Salamanca, Arturo233364 18.82
176 Gudmundsson, Gudbjartur233262
177 Siegel, Paul233176
178 Van den Berg, Carel Benjamin232862
179 Iliesco, Juan T232661 52.20
180 Tarnowski, Alfred232369 33.32
181 Podgorný, Jirí232275 37.55
182 Heemsoth, Hermann232176 40.52
183 Gawlikowski, Stanislaw232063
184 Erdelyi, Stefan231968 44.61
185 Janoševic, Dragoljub231976 26.97
186 Lohmann, Heinrich230871
187 Plater, Kazimierz230773 35.32
188 Wade, Robert Graham230557
189 Zamikhovsky, Abram D230473 42.48
190 Galia, Karl230367
191 Cruz, Walter O230064 40.49
192 Krogius, Nikolay V229873 19.93
193 Kuppe, Wilhelm229873
194 Wood, Baruch Harold229862
195 Neikirkh, Oleg N229473 36.31
196 Corte, César J229264 36.15
197 Tautvaisas, Povilas229075
198 Rautenberg, Wilhelm229067
199 Pogats, Jozsef228469 21.96
200 Benkö, Francisco228062 40.02
201 Primavera, Giuseppe226867
202 Nestler, Vincenzo226871
203 Barden, Leonhard William226473
204 Suetin, Alexey S225966 23.62
205 Zimmermann, Otto225269
206 Trupan, Vladilen224271
207 Kuebart, Erich224276
208 Rovner, Dmitry Osipovich221473
209 Walther, Edgar220976 19.51
210 Olivera, Alfredo220872
211 Ivanov, Dimitar219873
212 Beni, Alfred218973 27.07
213 Khasin, Abram I217973 27.37
214 Arlamowski, Edward216869
215 Beretta, H.215773
216 Lasker, Edward215468 64.57
217 Stalda, Giuseppe213869
218 Roux Cabral, Luis213368
219 Grünfeld, Ernst212867 56.60

These ratings, calculated as of June 30, 1950, incorporate all games (against rated opponents) played in the time between January 1, 1949 and June 30, 1950, along with the ratings that were already calculated as of December 31, 1948. Players who have played an insufficient number of games in recent years will not appear on the list, even though you may see them on previous and/or subsequent lists. Any players who have been completely inactive for three years are removed from the list.

Definition of columns in the above list:

# refers to the player's world rank on this list.

Player is the full name of the player. Click on the player's name to see a career progression of the player's ratings.

Rating is the calculated rating for the player, as of June 30, 1950. This represents the player's estimated strength on July 1, 1950.

+/- is the standard deviation of the player's rating estimate. It is based on a geometric average of the number of rated games played in past years. Players who play very frequently will have a smaller +/- value, indicating a greater confidence in the accuracy of their rating. Players whose +/- value exceeds 76 are classified as "inactive" and removed from the ranking list due to their infrequent play against rated opponents. Mathematically, a player's rating is an estimate of their exact strength on July 1, 1950. The +/- value represents the standard deviation of that estimate; the player's true strength on July 1, 1950 should be within one standard deviation of their calculated rating approximately 68% of the time, and within two standard deviations of their calculated rating approximately 95% of the time.

Best? is the estimated likelihood that the player was actually the strongest player in the world on July 1, 1950. Since ratings are known to be inaccurate, it is possible that a lower-rated player is actually much stronger than their rating would indicate, and it is also possible that other players are weaker than their ratings would indicate. This number indicates the likelihood that the player is indeed the strongest player in the world. On a particular list, it will add up to 100% across the complete list of all players. This value is only calculated for the top 100 players on any rating list.

75%? gives a 75%-confidence world ranking for the player. Because ratings are known to be inaccurate, even if a particular player is rated third in the world, we cannot say with 100% certainty that they are truly one of the three strongest players in the world. This number indicates the world rank that we are 75% sure the player is "no worse than". Thus if a player has a value of #12 in this column, we are 75% sure that the player is one of the twelve strongest players in the world. This value is only calculated for the top 100 players on any rating list.

Age is the player's exact age in years, on June 30, 1950. If a player's age is displayed as a link, that means that this rating was active at the time of their next birthday. Click on the link to see the sorted list of all players' ratings on their birthdays when turning that same age.

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